TY  - BOOK
AU  - Heibert, Ray Eldon 
TI  - Mass media V: an introduction to modern communication 
SN  - 0801300193
U1  - GC 302.23 H362 1988 
PY  - 1988///
CY  - New York, N.Y.
PB  - Longman
KW  - Mass media
N1  - Includes index
ER  -